#!/bin/bash

# This file is part of util-linux.
#
# This file is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This file is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

TS_TOPDIR="${0%/*}/../.."
TS_DESC="circle"

. "$TS_TOPDIR"/functions.sh
ts_init "$*"

# this test is arch independent, no need for utmp_functions.sh
ts_check_test_command "$TS_CMD_UTMPDUMP"

export LANG=C
export TZ=Asia/Tokyo
OUT_BIN1=${TS_OUTDIR}/${TS_TESTNAME}.bin1
OUT_BIN2=${TS_OUTDIR}/${TS_TESTNAME}.bin2
OUT_TXT=${TS_OUTDIR}/${TS_TESTNAME}.txt

# Files with -old extension are using timestamp format before utmpdump
# started to use iso-8601 format.  This check is testing nothing is lost
# when conversions performing following conversions.
#
# old text format -> binary -> new text format -> binary

echo "no output expected" > $TS_OUTPUT
for f in txt-a txt-b txt-ipv6; do
	$TS_CMD_UTMPDUMP -r $TS_SELF/$f-old > $OUT_BIN1 2>/dev/null &&
	$TS_CMD_UTMPDUMP $OUT_BIN1 > $OUT_TXT 2>/dev/null &&
	diff -u $TS_SELF/$f $OUT_TXT &&
	$TS_CMD_UTMPDUMP -r $OUT_TXT > $OUT_BIN2 2>/dev/null &&
	diff -q $OUT_BIN1 $OUT_BIN2 ||
	echo "circle failed for $f"
done >> $TS_OUTPUT 2>> $TS_ERRLOG

rm -f "$OUT_BIN1" "$OUT_BIN2" "$OUT_TXT"

ts_finalize
